Check the listing for details. Restaurant Wireless Paging Queuing Calling System,10 Call Coaster Pagers Guest. Condition: New, Made in China. Listed at 50.89 USD. Package Included 1*Charging Base 1*Data Cable 10*Extensions 1* English and Chinese Instructions All Accessories for Assembly Key Features： High Quality: This Pager Is Made of High Quality Abs Material. Waterproof and Oil-proof: This Pager Uses a New Circuit Board Design. Long Distance Transmission: Its Transmission Distance Can Be As Far As 2625ft in Open Space. Long Battery Life: This Product Has a Built-in 250mah Lithium Battery, Which Can Be Used Continuously for 20 Hours on a Full Charge. Independent Coding: It Is Designed with Independent Coding and Anti-interference Frequency, with up to 98 Extensions. Overload Protection: This Product Also Has an Overload Protection Function to Protect the Appliance.